0
Usually heat.
Wiki User
∙ 7y ago
Add your answer:
Earn +20 pts
Are phase changes physical or chemical in nature?
A phase change is a physical change. It is not a chemical change.
When does phase changes occur?
When a solid melts or changes to a liquid. When a liquid boils or changes to a gas. or the reverse when a gas condenses to a liquid or a liquid freezes to a solid. Also it is possible for a solid to go directly to a gas without passing through the liquid stage. This is called sublimation and can occur with sulfur when heated, or ice in the winter when the sun shines on it..
Which changes occur during evaporation?
Physical changes
What phase does condensation and shortening of chromosomes occur?
prophase
What changes occur when a candle lit?
it changes from a solid to a gas. the colour changes.
What is the function of chromosome changes that occur in mitosis?
These changes usually occur in meiosis not mitosis. It causes a mixing of the alleles.
Can habitat changes occur through natural causes?
True
What causes phases?
It is caused by the position of the moon that eventually changes because of its revolution and rotation.
What causes phase changes?
If a certain substance has reached a temperature at which it either melts, freezes, evaporates, ect.
What are two causes of blood pressure changes that might occur in a person with a given day?
Two causes of blood pressure changes that might occur in a person within a given day are, cardiovascular system and the heat that comes off the heart.
In a refrigerator which two phase changes must occur in order to keep the food cold?
Gas to liquid, liquid to vapor
How does sublimation compare with other changes of state?
Sublimation occur directly from a solid to a gas, jumping over the liquid phase.
Why is the period of the embryo regarded as the most dramatic prenatal phase?
It is considered as the most dramatic prenatal phase as lots of changes occur in this stage and it is also the most hazardous of the three prenatal stages because most miscarriages occur at this time
When the temperature drops below freezing which phase change causes frost to form on the grass?
The phase change is called deposition: water vapor changes directly to ice.
Why phase changes are reversible'?
Phase changes are accompanied with optical contrast and therefore the feasibility of phase.
What type of change occur when water changes from a solid to a liquid?
its a phase change
What phase occur after s phase?
G2
